lotuscorsa Posted November 11, 2012 Posted November 11, 2012 Well my 350z seams to smoke since i have had it i have changed the oil ,put in an oil additive change the breather valve and had it mapped and when i floor it it leaves smoke and the rear bumper has black soot any help please Quote
ewan221 Posted November 11, 2012 Posted November 11, 2012 Is car running decats ? may be lambda sensors (but pretty sure that would set of CEL light ?) Who mapped it ? was it doing this before it was mapped ? Quote
rtbiscuit Posted November 11, 2012 Posted November 11, 2012 have you tried automotive nicotine patches? keep an eye on the oil level, should give you an idea if your burning lots of oil. if you are might be worth changing to a thicker oil. or it could be the bottom end going. these cars have a tendancy for loosing compression and bore wear resulting in loss of oil and eventually an engine rebuild Quote
R35LEE Posted November 11, 2012 Posted November 11, 2012 If you are using a bit of oil try Castrol 10w60! Quote
lotuscorsa Posted November 11, 2012 Author Posted November 11, 2012 i have put 10 40 oil in it abbey motorsport mapped it and it was the same before as for the cats are still on there Quote
Darren-B Posted November 11, 2012 Posted November 11, 2012 10w 60 that will make some pressure when cold, Quote
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